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<1…891011121314…34>
  • Good (non-Spectrum) games to explore inSomeone on gamefaqs asked "[I]Reccommend me some great games that involve exploring a large land. Games that strongly feature discovering new areas a…

    ... up, but what I've read about sounds fascinating from the ... just read, "In 1988, the budget software publisher Mastertronic released a commercial port ... =0004224[/url] is the Rogue in question.
    Vampyre Vampyre February 2011 Chit chat
  • Fully integrated ZX+Hi, I just want to show some inspiration for integration HW to ZX+ case ;-) - ZX48 issue 3 board, without all parts regarding video generating (pa…

    ... software to be able to read and write all major Speccy ... formats)
    -9-pin com port
    -SE roms

    kempston port, and one gamepad/controller adapted ...
    zxbruno zxbruno February 2011 Hardware
  • Zetr0's Catchup Time (hardware / software)Hello there my fellow ZX'ers I have been soaking myself into the "world of spectrum" and more I do, the more I realize I have to play catchup.... a …

    ... CF[/URL] then add a kempston port (isolated), and finally add a ... through port.

    [/QUOTE]

    read the CF spec, I'm ... having another read of it now :)

    guesser guesser March 2011 Development
  • So what is the best Spectrum?I've had a search and even though i can remember a similar thread somewhere I'll twist it a bit. Whats the best "unmodified" Spectrum? (modification…

    ... me?... ;)[/QUOTE]

    In reality the clock speed doesn ... difference. Compare the results in the mandlebrot generation test that ... by the keypad reading code in the interrupt routine, whereas ... with it (like the built-in Kempston port), you've still got ...
    chev chev April 2011 Sinclair Miscellaneous
  • So what is the best Spectrum?I've had a search and even though i can remember a similar thread somewhere I'll twist it a bit. Whats the best "unmodified" Spectrum? (modification…

    ... "build lines" should be decided in 1982.[/quote]

    The ... Spectrum was launched in April 1982. Development of the ... /> I wrote the Timex entries in the comp.sys.sinclair FAQ ... I/O) and a Kempston joystick port plugged in. The EX and DOCK ...
    chev chev May 2011 Sinclair Miscellaneous
  • So what is the best Spectrum?I've had a search and even though i can remember a similar thread somewhere I'll twist it a bit. Whats the best "unmodified" Spectrum? (modification…

    ... is identical to the TS2068 in all but three respects; it ... I/O) and a Kempston joystick port plugged in. The EX and DOCK ... buffers replaced by resistors like in ZX Spectrum? Wasn't this ...
    Encarnado Encarnado May 2011 Sinclair Miscellaneous
  • Fuse: what do you want to see?An open brainstorm. If you had a team of programmers working on [url=http://fuse-emulator.sf.net/]Fuse[/url], what would you tell them to work on? …

    ... code base. Just as drivers in Linux are handled: I ... can be described entirely in terms of port read/writes and memory traps ... selectors, config options, recording state in SZX snapshots and so on ... />
    Of course, it's in the Fuse developers' own interests ...
    gasman gasman June 2011 Emulators
  • Port 254 emulation problem. Help, please ...Sorry, but my english is not pepfect. I have a problem and need in professional help. I have developed hard-soft emulator of ZX Spectrum 48. The link…

    As i can understand, this document is only about delays that appeares with 254 port read/write. But delays itself can not brings to stopping programs. I think my problem is in wrong generating flags or wrong bits 7, 6, 5 of port in time of reading.
    Vasil Vasil June 2011 Emulators
  • Challenge Sprint 4x tape recorderHi, I noticed a [url="http://www.worldofspectrum.org/infoseekid.cgi?id=1000051"]Challenge Sprint[/url] on eBay, and checked out the WoS entry for it…

    ... at bit 7 of port FFh is not the ... read.

    Reviewing the source code, I think that port ... 0. The routine reads port FFh, stores bit 0 ... value of bit 0 read in the previous IN
    ;operation, ... routine changing the FFh port by the FEh port.

    ...
    mcleod_ideafix mcleod_ideafix August 2011 Hardware
  • NEW KEMPSTON interface for ZXHi. Lotharek has released a new KEMPSTON interface for people who doesn't need AY on-board and want to have some really small device. [url]http:/…

    ... data bus drivers will be in high impedance if the device ... AY interface can collide with kempston port if I use reading from ... port FF0D of any similar adress ...
    velesoft velesoft August 2011 Hardware
  • Digitizer or Dreaming?Now then, Please someone put me out my misery! Was there or wasn't there a Digitizer for the spectrum. I'm certain that i read in an old speccy ma…

    ... 'm certain that
    i read in an old speccy mag that ... a digitizer that took stills in
    b/w from videos ... Spectrum had back in the days regular 'jack port audio IN. :) Atari and ... even Amiga users had to use a joystick port ...
    Mister Beep Mister Beep August 2011 Hardware
  • Emulation of ZX Spectrum 128+2 (grey)Please read this thread: [url]http://www.worldofspectrum.org/forums/showthread.php?t=35523[/url] result: exist 3 (or more) versions of grey ZX Spect…

    ... stop CPU clock, read videoram, CPU continue in reading but data bus ... of port 7FFD:
    IN 16381 is fast adress of paging port and read ... port value #FF and if ula read videodata, then write to paging port ...
    velesoft velesoft August 2011 Emulators
  • DivIDE in simple steps...Hi all, I want to load a game using a DivIDE and be able to take snapshots of the game as I go along as save points. Can anyone tell me: 1. What fi…

    ... (its the same one plumbed in here)

    [URL="http ... ]

    This is running in Fuse and a direct 1 ... start a thread on these in a bit these will be ... to include a fully decoded Kempston port.
    Zetr0 Zetr0 August 2011 Hardware
  • Keys redefine routine and key check.I have written some asm code which allows me to redefine keys (for a game etc.), and also allows me to be able to check any keypresses for the redefi…

    ... another AND 31 that I somehow missed in the gk_loop ... ,(hl) ; get the port row
    in a,(254) ; check ... that row
    cpl
    and 31 ... br /> cpl
    and 31 ; mask off the 5 ... a,(de) ; get the port that the key was found ...
    polomint polomint September 2011 Development
  • what was the first game you played with your new joystick interface ?I remember getting a kempston + quikshot 2 (soon trashed) from the local woolies and electrical shop... first game... decathlon, was great at trashi…

    Hunchback was the first game I played with a Kempston interface & Quickshot I joystick, I also remember you had to type IN 31 or INPUT 31 to make it work.
    mickfarrow mickfarrow December 2011 Games
  • Best current ide /flash interfaces? and re harlequin cloneHi I have a few 48k rubber-key spectrum's, a harlequin clone board :) on order and 1 (one) divide+ interface. I was hoping zetro's simple IDE woul…

    ... capacity
    - IDE port operating in polling PIO mode, with one ... 40 pin header
    - SPI port ... 3 Peripherals
    - Kempston joystick port
    - PS2 mouse port
    - One ... speed USB 2.0 device port, for connecting to a ...
    Dan Antohi Dan Antohi February 2012 Hardware
  • SIF interface for freeHi all, because I would like to support my HW I make this offer: [B]ACTION: SIF interface for free when you write useful application and give it to…

    ... 2048. Timex has internal Kempston which is in collision with SIF.
    kempston.

    SIF base port could be moved ...
    willcz willcz February 2012 Development
  • LZ77 en/decodingI've written an LZ77 en/decoding routine as I couldn't find one around for the Spectrum. Initially I'm just doing it in BASIC to get the logic right.…

    ... = [45/6] with memory destroy [31/3]
    normal rotate 7 ...
    LD C,[HL] ... Read high BC byte
    LD ...
    LD B,[HL] ... Read low BC byte
    LD ... rotate bytes. but can read upto 32 bits rotates from ... , the last byte need be read in reg A.

    ...
    Z80user Z80user March 2012 Development
  • Another BUG play tapes, in ALL EMULATORs when press STOP1 FOR n=1 TO 20 : PRINT IN 254 : NEXT n : PRINT AT 0,0 : GOTO 1 RUN Type this simple code, load a TZX, pres PLAY, when ear input change between 191 …

    ... find this, testing it in emulator, ZX-Spin with ... Yes i read this, more than one time in several years ... , today i read this two ... to change border, when read.
    IN A,[#FE]
    ... is diferent from RTFFAQ of port #FE description.
    < ...
    Z80user Z80user March 2012 Emulators
  • Another BUG play tapes, in ALL EMULATORs when press STOP1 FOR n=1 TO 20 : PRINT IN 254 : NEXT n : PRINT AT 0,0 : GOTO 1 RUN Type this simple code, load a TZX, pres PLAY, when ear input change between 191 …

    ...
    [QUOTE=Arjun;613826]In particular:
    "If output ... IN-Port 0xfe is the EAR input bit. The value read from this port ...
    20 PRINT IN 254
    30 ...
    40 PRINT IN 254
    50 ... change bit 6 of port #FE in this case, not ...
    Z80user Z80user March 2012 Emulators
  • Are Russian Clones a collector's piece?Hi Guys, I'm over at a mate's tonight drinking decent craft beer and we are (naturally) talking about Spectrums. I mentioned Spain, USA and Russia …

    ... the '48 is the built in Kempston port. But it's got no ...
    chev chev April 2012 Chit chat
  • Joystick Interface IssuesHi all, I use the WOS resources quite frequently but have very limited posts regarding the forum, however I have an issue and hoped some of you may …

    ... might be the way the port (31) is adressed.

    Some ... BC,31
    IN (C),A is full adressing.

    IN (31),A ...
    Knik Knik June 2012 Hardware
  • Kempston detectionI could use some help. This Kempston joystick behaviour drives me mad. I've written a game called Necrospermia recently ([url]http://www.worldofspec…

    ... people report that in their emulators and configurations Kempston is somehow automatically ... - if you scan Kempston port but there isn't Kempston attached, some weird ... doesn't exist in Spectaculator, even with no Kempston but is present ...
    BloodBaz BloodBaz October 2012 Development
  • The new Superfo cloneHi In the spanish forum speccy.org some guys and me have optimized the superfo clon to have less ICs. The actual design has 39 ICs versus the 45 ICs…

    ... QUOTE=antoniovillena;668037]Hot news in this project. Superfo is ... on the PCB, so in the next weeks we ... compatible 3 buttons kempston joystick(amiga mouse) port with this ... />
    - add possibility disable kempston port (collision with some existing hardware ...
    velesoft velesoft December 2012 Hardware
  • The new Superfo cloneHi In the spanish forum speccy.org some guys and me have optimized the superfo clon to have less ICs. The actual design has 39 ICs versus the 45 ICs…

    ... compatible 3 buttons kempston joystick(amiga mouse) port with this ... br /> - add possibility disable kempston port (collision with some existing hardware ... br /> [/QUOTE]

    In my opinion it's much ... when you push "Pause" in the external PS/2 keyboard ...
    antoniovillena antoniovillena December 2012 Hardware
  • The new Superfo cloneHi In the spanish forum speccy.org some guys and me have optimized the superfo clon to have less ICs. The actual design has 39 ICs versus the 45 ICs…

    ... use also port 31(#1F). Often is used as kempston port, but ... is bidirectional = connect to PIO 8255 ports. This port 31 ... functions.. If you connect kempston data with ZX data ... connect any interface using port 31. For example KEMPAY interface ...
    velesoft velesoft December 2012 Hardware
  • Summary care recordsWhat on earth is this rubbish through our door? Opt out schemes are awful. I think I'll send them one of my own. [I]Dear NHS, You will buy x1 Sp…

    ... itself, goes against the teachings in the Bible. Its the opposite ... to anothers authority. For example in court, 'Please Stand!....'. If ... when a ship docked at port, the captain 'Registered' all ... created from this can be read in a document called CQV 1666 ...
    FrankT FrankT December 2012 Chit chat
  • No tea vicar on MB02Hello Folks, I have difficulties in getting "More tea vicar" (the free 128k version) running on the MB02. The game starts and you can choose control…

    ... ]

    Yes. Here is port collision between MB02+ and ULA ... /> Here is schematic with MB02+ port adress decoder:
    [url]http ... as active... Please test if IN 31 return joystick value.

    velesoft velesoft December 2012 Sinclair Miscellaneous
  • Converting games to disk: difficult loadersThis thread has an spanish version in foro speccy, but I haven't gathered enough information to overcome my problems. I've been converting some game…

    ... /> In the Fuse emulator, you may try:

    br port write ... 0x7ffd
    br port read 0xfe

    port.

    [QUOTE=Zup;676101 ... it reaches a "stop tag" (in tzx files) or the end ...
    TK90XFan TK90XFan January 2013 Games
<1…891011121314…34>

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